关在笼里的夜莺唱不出歌来。

Nightingales will not sing in a cage.

《新英汉大辞典》

所以，夜莺对橡树唱了一首歌，她的声音好比从银色罐子里水冒泡的声音。

So the Nightingale sang to the Oak-tree, and her voice was like water bubbling from a silver jar.

youdao

所以，夜莺对橡树唱了一首歌，她的声音好比从银色罐子里水冒泡的声音。

So the Nightingale sang to the Oak -tree, and her voice was like water bubbling from a silver jar.

youdao